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-rw-r--r--media/libvpx/libvpx/test/resize_test.cc788
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diff --git a/media/libvpx/libvpx/test/resize_test.cc b/media/libvpx/libvpx/test/resize_test.cc
new file mode 100644
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+++ b/media/libvpx/libvpx/test/resize_test.cc
@@ -0,0 +1,788 @@
+/*
+ * Copyright (c) 2012 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+#include <stdio.h>
+
+#include <climits>
+#include <vector>
+#include "third_party/googletest/src/include/gtest/gtest.h"
+#include "test/codec_factory.h"
+#include "test/encode_test_driver.h"
+#include "test/i420_video_source.h"
+#include "test/video_source.h"
+#include "test/util.h"
+
+// Enable(1) or Disable(0) writing of the compressed bitstream.
+#define WRITE_COMPRESSED_STREAM 0
+
+namespace {
+
+#if WRITE_COMPRESSED_STREAM
+static void mem_put_le16(char *const mem, const unsigned int val) {
+ mem[0] = val;
+ mem[1] = val >> 8;
+}
+
+static void mem_put_le32(char *const mem, const unsigned int val) {
+ mem[0] = val;
+ mem[1] = val >> 8;
+ mem[2] = val >> 16;
+ mem[3] = val >> 24;
+}
+
+static void write_ivf_file_header(const vpx_codec_enc_cfg_t *const cfg,
+ int frame_cnt, FILE *const outfile) {
+ char header[32];
+
+ header[0] = 'D';
+ header[1] = 'K';
+ header[2] = 'I';
+ header[3] = 'F';
+ mem_put_le16(header + 4, 0); /* version */
+ mem_put_le16(header + 6, 32); /* headersize */
+ mem_put_le32(header + 8, 0x30395056); /* fourcc (vp9) */
+ mem_put_le16(header + 12, cfg->g_w); /* width */
+ mem_put_le16(header + 14, cfg->g_h); /* height */
+ mem_put_le32(header + 16, cfg->g_timebase.den); /* rate */
+ mem_put_le32(header + 20, cfg->g_timebase.num); /* scale */
+ mem_put_le32(header + 24, frame_cnt); /* length */
+ mem_put_le32(header + 28, 0); /* unused */
+
+ (void)fwrite(header, 1, 32, outfile);
+}
+
+static void write_ivf_frame_size(FILE *const outfile, const size_t size) {
+ char header[4];
+ mem_put_le32(header, static_cast<unsigned int>(size));
+ (void)fwrite(header, 1, 4, outfile);
+}
+
+static void write_ivf_frame_header(const vpx_codec_cx_pkt_t *const pkt,
+ FILE *const outfile) {
+ char header[12];
+ vpx_codec_pts_t pts;
+
+ if (pkt->kind != VPX_CODEC_CX_FRAME_PKT) return;
+
+ pts = pkt->data.frame.pts;
+ mem_put_le32(header, static_cast<unsigned int>(pkt->data.frame.sz));
+ mem_put_le32(header + 4, pts & 0xFFFFFFFF);
+ mem_put_le32(header + 8, pts >> 32);
+
+ (void)fwrite(header, 1, 12, outfile);
+}
+#endif // WRITE_COMPRESSED_STREAM
+
+const unsigned int kInitialWidth = 320;
+const unsigned int kInitialHeight = 240;
+
+struct FrameInfo {
+ FrameInfo(vpx_codec_pts_t _pts, unsigned int _w, unsigned int _h)
+ : pts(_pts), w(_w), h(_h) {}
+
+ vpx_codec_pts_t pts;
+ unsigned int w;
+ unsigned int h;
+};
+
+void ScaleForFrameNumber(unsigned int frame, unsigned int initial_w,
+ unsigned int initial_h, unsigned int *w,
+ unsigned int *h, bool flag_codec,
+ bool smaller_width_larger_size_) {
+ *w = initial_w;
+ *h = initial_h;
+
+ if (smaller_width_larger_size_) {
+ if (frame < 30) {
+ return;
+ }
+ if (frame < 100) {
+ *w = initial_w * 7 / 10;
+ *h = initial_h * 16 / 10;
+ return;
+ }
+ return;
+ }
+ if (frame < 10) {
+ return;
+ }
+ if (frame < 20) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 30) {
+ *w = initial_w / 2;
+ *h = initial_h / 2;
+ return;
+ }
+ if (frame < 40) {
+ return;
+ }
+ if (frame < 50) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 60) {
+ *w = initial_w / 2;
+ *h = initial_h / 2;
+ return;
+ }
+ if (frame < 70) {
+ return;
+ }
+ if (frame < 80) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 90) {
+ *w = initial_w / 2;
+ *h = initial_h / 2;
+ return;
+ }
+ if (frame < 100) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 110) {
+ return;
+ }
+ if (frame < 120) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 130) {
+ *w = initial_w / 2;
+ *h = initial_h / 2;
+ return;
+ }
+ if (frame < 140) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 150) {
+ return;
+ }
+ if (frame < 160) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 170) {
+ *w = initial_w / 2;
+ *h = initial_h / 2;
+ return;
+ }
+ if (frame < 180) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 190) {
+ return;
+ }
+ if (frame < 200) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 210) {
+ *w = initial_w / 2;
+ *h = initial_h / 2;
+ return;
+ }
+ if (frame < 220) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 230) {
+ return;
+ }
+ if (frame < 240) {
+ *w = initial_w * 3 / 4;
+ *h = initial_h * 3 / 4;
+ return;
+ }
+ if (frame < 250) {
+ *w = initial_w / 2;
+ *h = initial_h / 2;
+ return;
+ }
+ if (frame < 260) {
+ return;
+ }
+ // Go down very low.
+ if (frame < 270) {
+ *w = initial_w / 4;
+ *h = initial_h / 4;
+ return;
+ }
+ if (flag_codec == 1) {
+ // Cases that only works for VP9.
+ // For VP9: Swap width and height of original.
+ if (frame < 320) {
+ return;
+ }
+ }
+}
+
+class ResizingVideoSource : public ::libvpx_test::DummyVideoSource {
+ public:
+ ResizingVideoSource() {
+ SetSize(kInitialWidth, kInitialHeight);
+ limit_ = 350;
+ smaller_width_larger_size_ = false;
+ }
+ bool flag_codec_;
+ bool smaller_width_larger_size_;
+ virtual ~ResizingVideoSource() {}
+
+ protected:
+ virtual void Next() {
+ ++frame_;
+ unsigned int width = 0;
+ unsigned int height = 0;
+ ScaleForFrameNumber(frame_, kInitialWidth, kInitialHeight, &width, &height,
+ flag_codec_, smaller_width_larger_size_);
+ SetSize(width, height);
+ FillFrame();
+ }
+};
+
+class ResizeTest
+ : public ::libvpx_test::EncoderTest,
+ public ::libvpx_test::CodecTestWithParam<libvpx_test::TestMode> {
+ protected:
+ ResizeTest() : EncoderTest(GET_PARAM(0)) {}
+
+ virtual ~ResizeTest() {}
+
+ virtual void SetUp() {
+ InitializeConfig();
+ SetMode(GET_PARAM(1));
+ }
+
+ virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
+ ASSERT_NE(static_cast<int>(pkt->data.frame.width[0]), 0);
+ ASSERT_NE(static_cast<int>(pkt->data.frame.height[0]), 0);
+ encode_frame_width_.push_back(pkt->data.frame.width[0]);
+ encode_frame_height_.push_back(pkt->data.frame.height[0]);
+ }
+
+ unsigned int GetFrameWidth(size_t idx) const {
+ return encode_frame_width_[idx];
+ }
+
+ unsigned int GetFrameHeight(size_t idx) const {
+ return encode_frame_height_[idx];
+ }
+
+ virtual void DecompressedFrameHook(const vpx_image_t &img,
+ vpx_codec_pts_t pts) {
+ frame_info_list_.push_back(FrameInfo(pts, img.d_w, img.d_h));
+ }
+
+ std::vector<FrameInfo> frame_info_list_;
+ std::vector<unsigned int> encode_frame_width_;
+ std::vector<unsigned int> encode_frame_height_;
+};
+
+TEST_P(ResizeTest, TestExternalResizeWorks) {
+ ResizingVideoSource video;
+ video.flag_codec_ = false;
+ video.smaller_width_larger_size_ = false;
+ cfg_.g_lag_in_frames = 0;
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+ for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
+ info != frame_info_list_.end(); ++info) {
+ const unsigned int frame = static_cast<unsigned>(info->pts);
+ unsigned int expected_w;
+ unsigned int expected_h;
+ const size_t idx = info - frame_info_list_.begin();
+ ASSERT_EQ(info->w, GetFrameWidth(idx));
+ ASSERT_EQ(info->h, GetFrameHeight(idx));
+ ScaleForFrameNumber(frame, kInitialWidth, kInitialHeight, &expected_w,
+ &expected_h, video.flag_codec_,
+ video.smaller_width_larger_size_);
+ EXPECT_EQ(expected_w, info->w)
+ << "Frame " << frame << " had unexpected width";
+ EXPECT_EQ(expected_h, info->h)
+ << "Frame " << frame << " had unexpected height";
+ }
+}
+
+const unsigned int kStepDownFrame = 3;
+const unsigned int kStepUpFrame = 6;
+
+class ResizeInternalTest : public ResizeTest {
+ protected:
+#if WRITE_COMPRESSED_STREAM
+ ResizeInternalTest()
+ : ResizeTest(), frame0_psnr_(0.0), outfile_(nullptr), out_frames_(0) {}
+#else
+ ResizeInternalTest() : ResizeTest(), frame0_psnr_(0.0) {}
+#endif
+
+ virtual ~ResizeInternalTest() {}
+
+ virtual void BeginPassHook(unsigned int /*pass*/) {
+#if WRITE_COMPRESSED_STREAM
+ outfile_ = fopen("vp90-2-05-resize.ivf", "wb");
+#endif
+ }
+
+ virtual void EndPassHook() {
+#if WRITE_COMPRESSED_STREAM
+ if (outfile_) {
+ if (!fseek(outfile_, 0, SEEK_SET))
+ write_ivf_file_header(&cfg_, out_frames_, outfile_);
+ fclose(outfile_);
+ outfile_ = nullptr;
+ }
+#endif
+ }
+
+ virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
+ libvpx_test::Encoder *encoder) {
+ if (change_config_) {
+ int new_q = 60;
+ if (video->frame() == 0) {
+ struct vpx_scaling_mode mode = { VP8E_ONETWO, VP8E_ONETWO };
+ encoder->Control(VP8E_SET_SCALEMODE, &mode);
+ }
+ if (video->frame() == 1) {
+ struct vpx_scaling_mode mode = { VP8E_NORMAL, VP8E_NORMAL };
+ encoder->Control(VP8E_SET_SCALEMODE, &mode);
+ cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = new_q;
+ encoder->Config(&cfg_);
+ }
+ } else {
+ if (video->frame() == kStepDownFrame) {
+ struct vpx_scaling_mode mode = { VP8E_FOURFIVE, VP8E_THREEFIVE };
+ encoder->Control(VP8E_SET_SCALEMODE, &mode);
+ }
+ if (video->frame() == kStepUpFrame) {
+ struct vpx_scaling_mode mode = { VP8E_NORMAL, VP8E_NORMAL };
+ encoder->Control(VP8E_SET_SCALEMODE, &mode);
+ }
+ }
+ }
+
+ virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
+ if (frame0_psnr_ == 0.) frame0_psnr_ = pkt->data.psnr.psnr[0];
+ EXPECT_NEAR(pkt->data.psnr.psnr[0], frame0_psnr_, 2.0);
+ }
+
+#if WRITE_COMPRESSED_STREAM
+ virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
+ ++out_frames_;
+
+ // Write initial file header if first frame.
+ if (pkt->data.frame.pts == 0) write_ivf_file_header(&cfg_, 0, outfile_);
+
+ // Write frame header and data.
+ write_ivf_frame_header(pkt, outfile_);
+ (void)fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile_);
+ }
+#endif
+
+ double frame0_psnr_;
+ bool change_config_;
+#if WRITE_COMPRESSED_STREAM
+ FILE *outfile_;
+ unsigned int out_frames_;
+#endif
+};
+
+TEST_P(ResizeInternalTest, TestInternalResizeWorks) {
+ ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
+ 30, 1, 0, 10);
+ init_flags_ = VPX_CODEC_USE_PSNR;
+ change_config_ = false;
+
+ // q picked such that initial keyframe on this clip is ~30dB PSNR
+ cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = 48;
+
+ // If the number of frames being encoded is smaller than g_lag_in_frames
+ // the encoded frame is unavailable using the current API. Comparing
+ // frames to detect mismatch would then not be possible. Set
+ // g_lag_in_frames = 0 to get around this.
+ cfg_.g_lag_in_frames = 0;
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+ for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
+ info != frame_info_list_.end(); ++info) {
+ const vpx_codec_pts_t pts = info->pts;
+ if (pts >= kStepDownFrame && pts < kStepUpFrame) {
+ ASSERT_EQ(282U, info->w) << "Frame " << pts << " had unexpected width";
+ ASSERT_EQ(173U, info->h) << "Frame " << pts << " had unexpected height";
+ } else {
+ EXPECT_EQ(352U, info->w) << "Frame " << pts << " had unexpected width";
+ EXPECT_EQ(288U, info->h) << "Frame " << pts << " had unexpected height";
+ }
+ }
+}
+
+TEST_P(ResizeInternalTest, TestInternalResizeChangeConfig) {
+ ::libvpx_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
+ 30, 1, 0, 10);
+ cfg_.g_w = 352;
+ cfg_.g_h = 288;
+ change_config_ = true;
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+}
+
+class ResizeRealtimeTest
+ : public ::libvpx_test::EncoderTest,
+ public ::libvpx_test::CodecTestWith2Params<libvpx_test::TestMode, int> {
+ protected:
+ ResizeRealtimeTest() : EncoderTest(GET_PARAM(0)) {}
+ virtual ~ResizeRealtimeTest() {}
+
+ virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
+ libvpx_test::Encoder *encoder) {
+ if (video->frame() == 0) {
+ encoder->Control(VP9E_SET_AQ_MODE, 3);
+ encoder->Control(VP8E_SET_CPUUSED, set_cpu_used_);
+ }
+
+ if (change_bitrate_ && video->frame() == 120) {
+ change_bitrate_ = false;
+ cfg_.rc_target_bitrate = 500;
+ encoder->Config(&cfg_);
+ }
+ }
+
+ virtual void SetUp() {
+ InitializeConfig();
+ SetMode(GET_PARAM(1));
+ set_cpu_used_ = GET_PARAM(2);
+ }
+
+ virtual void DecompressedFrameHook(const vpx_image_t &img,
+ vpx_codec_pts_t pts) {
+ frame_info_list_.push_back(FrameInfo(pts, img.d_w, img.d_h));
+ }
+
+ virtual void MismatchHook(const vpx_image_t *img1, const vpx_image_t *img2) {
+ double mismatch_psnr = compute_psnr(img1, img2);
+ mismatch_psnr_ += mismatch_psnr;
+ ++mismatch_nframes_;
+ }
+
+ virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
+ ASSERT_NE(static_cast<int>(pkt->data.frame.width[0]), 0);
+ ASSERT_NE(static_cast<int>(pkt->data.frame.height[0]), 0);
+ encode_frame_width_.push_back(pkt->data.frame.width[0]);
+ encode_frame_height_.push_back(pkt->data.frame.height[0]);
+ }
+
+ unsigned int GetMismatchFrames() { return mismatch_nframes_; }
+
+ unsigned int GetFrameWidth(size_t idx) const {
+ return encode_frame_width_[idx];
+ }
+
+ unsigned int GetFrameHeight(size_t idx) const {
+ return encode_frame_height_[idx];
+ }
+
+ void DefaultConfig() {
+ cfg_.rc_buf_initial_sz = 500;
+ cfg_.rc_buf_optimal_sz = 600;
+ cfg_.rc_buf_sz = 1000;
+ cfg_.rc_min_quantizer = 2;
+ cfg_.rc_max_quantizer = 56;
+ cfg_.rc_undershoot_pct = 50;
+ cfg_.rc_overshoot_pct = 50;
+ cfg_.rc_end_usage = VPX_CBR;
+ cfg_.kf_mode = VPX_KF_AUTO;
+ cfg_.g_lag_in_frames = 0;
+ cfg_.kf_min_dist = cfg_.kf_max_dist = 3000;
+ // Enable dropped frames.
+ cfg_.rc_dropframe_thresh = 1;
+ // Enable error_resilience mode.
+ cfg_.g_error_resilient = 1;
+ // Enable dynamic resizing.
+ cfg_.rc_resize_allowed = 1;
+ // Run at low bitrate.
+ cfg_.rc_target_bitrate = 200;
+ }
+
+ std::vector<FrameInfo> frame_info_list_;
+ int set_cpu_used_;
+ bool change_bitrate_;
+ double mismatch_psnr_;
+ int mismatch_nframes_;
+ std::vector<unsigned int> encode_frame_width_;
+ std::vector<unsigned int> encode_frame_height_;
+};
+
+TEST_P(ResizeRealtimeTest, TestExternalResizeWorks) {
+ ResizingVideoSource video;
+ video.flag_codec_ = true;
+ video.smaller_width_larger_size_ = false;
+ DefaultConfig();
+ // Disable internal resize for this test.
+ cfg_.rc_resize_allowed = 0;
+ change_bitrate_ = false;
+ mismatch_psnr_ = 0.0;
+ mismatch_nframes_ = 0;
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+ for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
+ info != frame_info_list_.end(); ++info) {
+ const unsigned int frame = static_cast<unsigned>(info->pts);
+ unsigned int expected_w;
+ unsigned int expected_h;
+ ScaleForFrameNumber(frame, kInitialWidth, kInitialHeight, &expected_w,
+ &expected_h, video.flag_codec_,
+ video.smaller_width_larger_size_);
+ EXPECT_EQ(expected_w, info->w)
+ << "Frame " << frame << " had unexpected width";
+ EXPECT_EQ(expected_h, info->h)
+ << "Frame " << frame << " had unexpected height";
+ EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
+ }
+}
+
+// TODO(https://crbug.com/webm/1642): This causes a segfault in
+// init_encode_frame_mb_context().
+TEST_P(ResizeRealtimeTest, DISABLED_TestExternalResizeSmallerWidthBiggerSize) {
+ ResizingVideoSource video;
+ video.flag_codec_ = true;
+ video.smaller_width_larger_size_ = true;
+ DefaultConfig();
+ // Disable internal resize for this test.
+ cfg_.rc_resize_allowed = 0;
+ change_bitrate_ = false;
+ mismatch_psnr_ = 0.0;
+ mismatch_nframes_ = 0;
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+ for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
+ info != frame_info_list_.end(); ++info) {
+ const unsigned int frame = static_cast<unsigned>(info->pts);
+ unsigned int expected_w;
+ unsigned int expected_h;
+ ScaleForFrameNumber(frame, kInitialWidth, kInitialHeight, &expected_w,
+ &expected_h, video.flag_codec_,
+ video.smaller_width_larger_size_);
+ EXPECT_EQ(expected_w, info->w)
+ << "Frame " << frame << " had unexpected width";
+ EXPECT_EQ(expected_h, info->h)
+ << "Frame " << frame << " had unexpected height";
+ EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
+ }
+}
+
+// Verify the dynamic resizer behavior for real time, 1 pass CBR mode.
+// Run at low bitrate, with resize_allowed = 1, and verify that we get
+// one resize down event.
+TEST_P(ResizeRealtimeTest, TestInternalResizeDown) {
+ ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,
+ 0, 299);
+ DefaultConfig();
+ cfg_.g_w = 640;
+ cfg_.g_h = 480;
+ change_bitrate_ = false;
+ mismatch_psnr_ = 0.0;
+ mismatch_nframes_ = 0;
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+ unsigned int last_w = cfg_.g_w;
+ unsigned int last_h = cfg_.g_h;
+ int resize_count = 0;
+ for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
+ info != frame_info_list_.end(); ++info) {
+ if (info->w != last_w || info->h != last_h) {
+ // Verify that resize down occurs.
+ ASSERT_LT(info->w, last_w);
+ ASSERT_LT(info->h, last_h);
+ last_w = info->w;
+ last_h = info->h;
+ resize_count++;
+ }
+ }
+
+#if CONFIG_VP9_DECODER
+ // Verify that we get 1 resize down event in this test.
+ ASSERT_EQ(1, resize_count) << "Resizing should occur.";
+ EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
+#else
+ printf("Warning: VP9 decoder unavailable, unable to check resize count!\n");
+#endif
+}
+
+// Verify the dynamic resizer behavior for real time, 1 pass CBR mode.
+// Start at low target bitrate, raise the bitrate in the middle of the clip,
+// scaling-up should occur after bitrate changed.
+TEST_P(ResizeRealtimeTest, TestInternalResizeDownUpChangeBitRate) {
+ ::libvpx_test::I420VideoSource video("niklas_640_480_30.yuv", 640, 480, 30, 1,
+ 0, 400);
+ DefaultConfig();
+ cfg_.g_w = 640;
+ cfg_.g_h = 480;
+ change_bitrate_ = true;
+ mismatch_psnr_ = 0.0;
+ mismatch_nframes_ = 0;
+ // Disable dropped frames.
+ cfg_.rc_dropframe_thresh = 0;
+ // Starting bitrate low.
+ cfg_.rc_target_bitrate = 80;
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+
+ unsigned int last_w = cfg_.g_w;
+ unsigned int last_h = cfg_.g_h;
+ int resize_count = 0;
+ for (std::vector<FrameInfo>::const_iterator info = frame_info_list_.begin();
+ info != frame_info_list_.end(); ++info) {
+ const size_t idx = info - frame_info_list_.begin();
+ ASSERT_EQ(info->w, GetFrameWidth(idx));
+ ASSERT_EQ(info->h, GetFrameHeight(idx));
+ if (info->w != last_w || info->h != last_h) {
+ resize_count++;
+ if (resize_count <= 2) {
+ // Verify that resize down occurs.
+ ASSERT_LT(info->w, last_w);
+ ASSERT_LT(info->h, last_h);
+ } else if (resize_count > 2) {
+ // Verify that resize up occurs.
+ ASSERT_GT(info->w, last_w);
+ ASSERT_GT(info->h, last_h);
+ }
+ last_w = info->w;
+ last_h = info->h;
+ }
+ }
+
+#if CONFIG_VP9_DECODER
+ // Verify that we get 4 resize events in this test.
+ ASSERT_EQ(resize_count, 4) << "Resizing should occur twice.";
+ EXPECT_EQ(static_cast<unsigned int>(0), GetMismatchFrames());
+#else
+ printf("Warning: VP9 decoder unavailable, unable to check resize count!\n");
+#endif
+}
+
+vpx_img_fmt_t CspForFrameNumber(int frame) {
+ if (frame < 10) return VPX_IMG_FMT_I420;
+ if (frame < 20) return VPX_IMG_FMT_I444;
+ return VPX_IMG_FMT_I420;
+}
+
+class ResizeCspTest : public ResizeTest {
+ protected:
+#if WRITE_COMPRESSED_STREAM
+ ResizeCspTest()
+ : ResizeTest(), frame0_psnr_(0.0), outfile_(nullptr), out_frames_(0) {}
+#else
+ ResizeCspTest() : ResizeTest(), frame0_psnr_(0.0) {}
+#endif
+
+ virtual ~ResizeCspTest() {}
+
+ virtual void BeginPassHook(unsigned int /*pass*/) {
+#if WRITE_COMPRESSED_STREAM
+ outfile_ = fopen("vp91-2-05-cspchape.ivf", "wb");
+#endif
+ }
+
+ virtual void EndPassHook() {
+#if WRITE_COMPRESSED_STREAM
+ if (outfile_) {
+ if (!fseek(outfile_, 0, SEEK_SET))
+ write_ivf_file_header(&cfg_, out_frames_, outfile_);
+ fclose(outfile_);
+ outfile_ = nullptr;
+ }
+#endif
+ }
+
+ virtual void PreEncodeFrameHook(libvpx_test::VideoSource *video,
+ libvpx_test::Encoder *encoder) {
+ if (CspForFrameNumber(video->frame()) != VPX_IMG_FMT_I420 &&
+ cfg_.g_profile != 1) {
+ cfg_.g_profile = 1;
+ encoder->Config(&cfg_);
+ }
+ if (CspForFrameNumber(video->frame()) == VPX_IMG_FMT_I420 &&
+ cfg_.g_profile != 0) {
+ cfg_.g_profile = 0;
+ encoder->Config(&cfg_);
+ }
+ }
+
+ virtual void PSNRPktHook(const vpx_codec_cx_pkt_t *pkt) {
+ if (frame0_psnr_ == 0.) frame0_psnr_ = pkt->data.psnr.psnr[0];
+ EXPECT_NEAR(pkt->data.psnr.psnr[0], frame0_psnr_, 2.0);
+ }
+
+#if WRITE_COMPRESSED_STREAM
+ virtual void FramePktHook(const vpx_codec_cx_pkt_t *pkt) {
+ ++out_frames_;
+
+ // Write initial file header if first frame.
+ if (pkt->data.frame.pts == 0) write_ivf_file_header(&cfg_, 0, outfile_);
+
+ // Write frame header and data.
+ write_ivf_frame_header(pkt, outfile_);
+ (void)fwrite(pkt->data.frame.buf, 1, pkt->data.frame.sz, outfile_);
+ }
+#endif
+
+ double frame0_psnr_;
+#if WRITE_COMPRESSED_STREAM
+ FILE *outfile_;
+ unsigned int out_frames_;
+#endif
+};
+
+class ResizingCspVideoSource : public ::libvpx_test::DummyVideoSource {
+ public:
+ ResizingCspVideoSource() {
+ SetSize(kInitialWidth, kInitialHeight);
+ limit_ = 30;
+ }
+
+ virtual ~ResizingCspVideoSource() {}
+
+ protected:
+ virtual void Next() {
+ ++frame_;
+ SetImageFormat(CspForFrameNumber(frame_));
+ FillFrame();
+ }
+};
+
+TEST_P(ResizeCspTest, TestResizeCspWorks) {
+ ResizingCspVideoSource video;
+ init_flags_ = VPX_CODEC_USE_PSNR;
+ cfg_.rc_min_quantizer = cfg_.rc_max_quantizer = 48;
+ cfg_.g_lag_in_frames = 0;
+ ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
+}
+
+VP8_INSTANTIATE_TEST_SUITE(ResizeTest, ONE_PASS_TEST_MODES);
+VP9_INSTANTIATE_TEST_SUITE(ResizeTest, ONE_PASS_TEST_MODES);
+VP9_INSTANTIATE_TEST_SUITE(ResizeInternalTest,
+ ::testing::Values(::libvpx_test::kOnePassBest));
+VP9_INSTANTIATE_TEST_SUITE(ResizeRealtimeTest,
+ ::testing::Values(::libvpx_test::kRealTime),
+ ::testing::Range(5, 9));
+VP9_INSTANTIATE_TEST_SUITE(ResizeCspTest,
+ ::testing::Values(::libvpx_test::kRealTime));
+} // namespace